Fannia difficilis (Stein, 1895)

Shi, Li, Wang, Zhiwei, Ma, Rui, Wang, Yanwei & Yang, Yingang, 2025, A survey of the Calyptratae (Diptera) in the Northern Primitive Forest Region of Greater Khingan Mountains, Inner Mongolia with a checklist of fifty-five species, Zootaxa 5683 (4), pp. 451-491 : 465

Fannia difficilis (Stein, 1895)

Specimens examined. CHINA: 2♂, Inner Mongolia, Genhe City, Mangui Town, Northern Primitive Forest Region of Greater Khingan Mountains, Wulonggan Forestry Center 4207, burned area in 2007, Pinus sylvestris var. mongholica, Malaise trap 18, 120°58'55.80"E, 52°51'53.10"N, 823 m, 13.vii.2022, L. SHI, Z.W. WANG, R. MA.

Distribution. Palaearctic: China (Inner Mongolia, Liaoning, Shaanxi), Albania, Austria, Belarus, Bulgaria, Czech Republic, Germany, Finland, France, Hungary, Italy, Norway, Poland, Romania, Siberia, Slovakia, Spain, Sweden, The United Kingdom, Russia; Nearctic: Canada, USA ( Yang et al., 2020b; Soós & Papp, 1986a; Stone et al., 1983; https://www.gbif.org).